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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: undomanager.hxx,v $
* $Revision: 1.5 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef _SD_UNDOMANAGER_HXX
#define _SD_UNDOMANAGER_HXX
#include "misc/scopelock.hxx"
#include <svl/undo.hxx>
namespace sd
{
class UndoManager : public SfxUndoManager
{
public:
UndoManager( USHORT nMaxUndoActionCount = 20 );
virtual void EnterListAction(const UniString &rComment, const UniString& rRepeatComment, USHORT nId=0);
virtual void LeaveListAction();
virtual void AddUndoAction( SfxUndoAction *pAction, BOOL bTryMerg=FALSE );
bool isInListAction() const { return mnListLevel != 0; }
bool isInUndo() const { return maIsInUndoLock.isLocked(); }
virtual BOOL Undo( USHORT nCount=1 );
virtual BOOL Redo( USHORT nCount=1 );
/** Set or reset the undo manager linked with the called undo manager.
*/
void SetLinkedUndoManager (SfxUndoManager* pLinkedUndoManager);
private:
using SfxUndoManager::Undo;
using SfxUndoManager::Redo;
int mnListLevel;
ScopeLock maIsInUndoLock;
/** Used when the outline view is visible as a last resort to
synchronize the undo managers.
*/
SfxUndoManager* mpLinkedUndoManager;
/** Call ClearRedo() at the linked undo manager, when present.
It should not be necessary to call ClearRedo() explicitly, but the
synchronization between the under managers of the document and the
outline view seems to have a bug. Therefore this method is called
whenever a new undo action is added.
*/
void ClearLinkedRedoActions (void);
};
}
#endif // _SD_UNDOMANAGER_HXX
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